InternLM 2.5 20B Chat
InternLM 2.5 20B Chat is InternLM's language model with a 33K context window and up to 8K output tokens. A 20B-parameter chat-optimized LLM from the InternLM 2.5 series, supporting multilingual dialogue and long-context reasoning.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities1/13
Reasoning·
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Cheapest Instances to Run It
Cloud GPU instances that can host InternLM 2.5 20B Chat, ranked by cheapest on-demand price. The model needs about 48 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.
All clouds
FP16 (full precision)
US Dollar ($)
Instance | Cloud | GPU | VRAM | Price | Cheapest region | |
|---|---|---|---|---|---|---|
| Standard_NP10s |  Azure | AMD Alveo U250 FPGA (64GB) | 64 GB | $1.65/hr | westus2 | |
| Standard_NV32as_v4 | Azure | AMD Radeon Instinct MI25 | 64 GB | $1.86/hr | westus2 | |
| g2-standard-24 |  GCP | 2× nvidia-l4 | 48 GB | $1.99/hr | us-east4 | |
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| InternVL3 38B | — | 16K | $0.900 | $0.900 | Available |
| InternVL3 78B | — | 16K | $0.900 | $0.900 | Available |
| InternVL3 8B | — | 16K | $0.200 | $0.200 | Available |
| InternLM 2.5 20B Chat | — | 33K | — | — | Current |